- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 491/06 - Peri-condensed systems
Patent holdings for IPC class C07D 491/06
Total number of patents in this class: 168
10-year publication summary
|
11
|
19
|
6
|
14
|
7
|
21
|
12
|
10
|
10
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gilead Sciences, Inc. | 2207 |
23 |
| Merck Patent GmbH | 5669 |
15 |
| Alpha Cognition Inc. | 20 |
10 |
| DuPont Specialty Materials Korea Ltd. | 293 |
5 |
| Samsung Display Co., Ltd. | 38092 |
4 |
| Idemitsu Kosan Co., Ltd. | 4213 |
4 |
| Rohm and Haas Electronic Materials Korea Ltd. | 332 |
4 |
| BASF SE | 21165 |
3 |
| Mayo Foundation for Medical Education and Research | 3354 |
3 |
| Helmholtz Zentrum München Deutsches Forschungszentrum für Gesundheit und Umwelt (GmbH) | 344 |
3 |
| Merck Sharp & Dohme LLC | 3737 |
3 |
| F. Hoffmann-La Roche AG | 7847 |
2 |
| Boehringer Ingelheim International GmbH | 4494 |
2 |
| Amgen Inc. | 4383 |
2 |
| Ecolab USA Inc. | 5753 |
2 |
| Jichi Medical University | 146 |
2 |
| London Health Sciences Centre Research Inc. | 95 |
2 |
| Medshine Discovery Inc. | 591 |
2 |
| UDC Ireland Limited | 514 |
2 |
| vTv Therapeutics LLC | 150 |
2 |
| Other owners | 73 |